ERIC Number: EJ1092966
Record Type: Journal
Publication Date: 2016-Mar
Abstractor: As Provided
Reference Count: N/A
Using DEWIS and R for Multi-Staged Statistics e-Assessments
Gwynllyw, D. Rhys; Weir, Iain S.; Henderson, Karen L.
Teaching Mathematics and Its Applications, v35 n1 p14-26 Mar 2016
We demonstrate how the DEWIS e-Assessment system may use embedded R code to facilitate the assessment of students' ability to perform involved statistical analyses. The R code has been written to emulate SPSS output and thus the statistical results for each bespoke data set can be generated efficiently and accurately using standard R routines. This enables students' answers, generated from their application of SPSS, to be marked and appropriate feedback supplied back to them automatically. Staging is used between different parts of the e-Assessment to replicate the natural stages of a complete statistical analysis. This allows students the freedom to work away from the e-Assessment; they may view the relevant stage an unlimited number of times prior to submitting their answers for that stage. The technical challenges of setting up the e-Assessment in this way are discussed as well as the rationale for adopting this pioneering approach.
Descriptors: Mathematics Education, Statistics, Statistical Analysis, Data Analysis, Computer Assisted Testing, Student Evaluation, Feedback (Response), Coding, Programming, Mathematics Tests
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Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
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